28712247

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 39096192

約数和(自身を除く): 10383945

約数列:

[1, 3, 67, 201, 211, 633, 677, 2031, 14137, 42411, 45359, 136077, 142847, 428541, 9570749, 28712247]

約数ペア:

[(1, 28712247), (3, 9570749), (67, 428541), (201, 142847), (211, 136077), (633, 45359), (677, 42411), (2031, 14137)]